Americas

First light of new laser on Adaptive Optics Facility at Paranal Observatory in Chile

US Presidential primary voting in Maryland...epa05278084 'I voted' stickers are handed out to voters after they cast their ballots during the Maryland presidential primary election at Skyline Elementary School in Suitland, Maryland, USA, 26 April 2016. Citizens of Maryland, Pennsylvania, Delaware, Connecticut and Rhode Island are casting their votes in state primary elections today.  EPA/SHAWN THEW

Shawn Thew/EPA

‘I voted’ stickers are handed out to voters after they cast their ballots during the Maryland presidential primary election at Skyline Elementary School in Suitland, Maryland 

A model presents a creation from the Ronaldo Fraga collection during Sao Paulo Fashion Week show in Sao Paulo...A model presents a creation from the Ronaldo Fraga collection during Sao Paulo Fashion Week show in Sao Paulo, Brazil,

Paulo Whitaker/Reuters

A model presents a creation from the Ronaldo Fraga collection during Sao Paulo Fashion Week show in Sao Paulo, Brazil 

A dress hangs from twisted metal as residents comb through a post-earthquake debris field, salvaging recyclable material, in Manta, Ecuador, Wednesday, April 20, 2016. Ecuadoreans began burying loved ones felled by the country's deadliest earthquake in decades, while hopes faded that more survivors will be found. (AP Photo/Rodrigo Abd)

Rodrigo Abd/AP

A dress hangs from twisted metal as residents comb through a post-earthquake debris field, salvaging recyclable material, in Manta, Ecuador 

Hillary Clinton...Democratic presidential candidate Hillary Clinton arrives at a campaign stop, Wednesday, April 20, 2016, in Philadelphia. (AP Photo/Matt Rourke)

Matt Rourke/AP

Democratic presidential candidate Hillary Clinton arrives at a campaign stop in Philadelphia 

Brock Holt...Boston Red Sox left fielder Brock Holt (12) plays a double by Tampa Bay Rays designated hitter Corey Dickerson off the wall during fourth inning of a baseball game in Boston, Wednesday, April 20, 2016. (AP Photo/Charles Krupa)

Charles Krupa/AP

Boston Red Sox left fielder Brock Holt plays a double by Tampa Bay Rays designated hitter Corey Dickerson off the wall during fourth inning of a baseball game in Boston 

New York Stock Exchange...epa05268814 Traders work on the floor of the New York Stock Exchange (NYSE) at the start of the trading day in New York, New York, USA, 20 April 2016.  EPA/JUSTIN LANE

Justin Lane/EPA

Traders work on the floor of the New York Stock Exchange (NYSE) at the start of the trading day in New York

Hillary Clinton...A Secret Service Agent stands guard as Democratic presidential candidate Hillary Clinton speaks at the Corsi senior center, Friday, April 15, 2016, in New York. (AP Photo/Mary Altaffer)

Mary Altaffer/AP

A Secret Service Agent stands guard as Democratic presidential candidate Hillary Clinton speaks at the Corsi senior center, in New York

Low-Wage Workers Strike And Rally For $15 Wage In Chicago...CHICAGO, IL - APRIL 14:  Demonstrators demanding an increase in the minimum wage to $15-dollars-per-hour prepare to march in the streets on April 14, 2016 in Chicago, Illinois. The demonstrators marched to and protested in front of several locations during a day-long effort to draw attention to low-wage jobs. The demonstration was one of about 300 scheduled to take place nationwide today.  (Photo by Scott Olson/Getty Images)

Scott Olson/Getty

Demonstrators demanding an increase in the minimum wage to $15-dollars-per-hour prepare to march in the streets on Thursday in Chicago, Illinois. The demonstrators marched to and protested in front of several locations during a day-long effort to draw attention to low-wage jobs 

Rancher Fred Berns holds fire pole while lighting a controlled pasture fire near Florence, Kan., Wednesday, April 13, 2016. Ranchers in the Flint Hills of Kansas routinely burn their pastures in the spring to promote the growth of new grass for cattle to graze on. (Travis Heying/The Wichita Eagle via AP) LOCAL TELEVISION OUT; MAGS OUT; LOCAL RADIO OUT; LOCAL INTERNET OUT; MANDATORY CREDIT

Travis Heying/The Wichita Eagle/AP

Rancher Fred Berns holds fire pole while lighting a controlled pasture fire near Florence, Kan. Ranchers in the Flint Hills of Kansas routinely burn their pastures in the spring to promote the growth of new grass for cattle to graze on

A general view of the batting helmets of the Los Angeles Dodgers prior to a baseball game Arizona Diamondbacks in Los Angeles, Wednesday, April 13, 2016. (AP Photo/Kelvin Kuo)

Kelvin Kuo/AP

A general view of the batting helmets of the Los Angeles Dodgers prior to a baseball game Arizona Diamondbacks in Los Angeles 

Chicago Police Shoot And Kill Teen On City's West Side...CHICAGO, ILLINOIS - APRIL 12:  Tambrasha Hudson (C) is comforted as she joins demonstrators protesting the shooting death of her son 16-year-old Pierre Loury near the location where he was killed on April 12, 2016 in Chicago, Illinois. Police have said Loury took off running when the vehicle he was in was pulled over by police because it matched the description of a vehicle used in an earlier drive-by shooting. The chase, according to police, ended with an "armed confrontation".  (Photo by Scott Olson/Getty Images)

Scott Olson/Getty

Tambrasha Hudson (C) is comforted as she joins demonstrators protesting the shooting death of her son 16-year-old Pierre Loury near the location where he was killed on Tuesday in Chicago, Illinois. Police have said Loury took off running when the vehicle he was in was pulled over by police because it matched the description of a vehicle used in an earlier drive-by shooting. The chase, according to police, ended with an “armed confrontation”.

Members of the impeachment committee celebrate after voting on the impeachment of Brazilian President Dilma Rousseff at the National Congress in Brasilia...Members of the impeachment committee celebrate after voting on the impeachment of Brazilian President Dilma Rousseff at the National Congress in Brasilia, Brazil April 11, 2016. REUTERS/Ueslei Marcelino      TPX IMAGES OF THE DAY

Ueslei Marcelino/Reuters

Members of the impeachment committee celebrate after voting on the impeachment of Brazilian President Dilma Rousseff at the National Congress in Brasilia, Brazil 

Brian Snyder/Reuters

U.S. Democratic presidential candidate and U.S. Senator Bernie Sanders takes the stage at a campaign rally in Binghamton, New York

Spectators arrive for the final practice round for the Masters golf tournament Wednesday, April 6, 2016, in Augusta, Ga. (AP Photo/David J. Phillip)

David J. Phillip/AP

Spectators arrive for the final practice round for the Masters golf tournament in Augusta, Georgia 

Wilfredo Lee/AP

A woman feeds birds as the sun rises in Bal Harbour, Florida 

Andre Penner/AP

Supporters raise their arms during a rally in support of Brazil’s former President Luiz Inacio Lula da Silva and President Dilma Rousseff, in Sao Bernardo do Campo, in the greater Sao Paulo area, Brazil

US President Obama visits Argentina...epa05229215 US President Barack Obama (L) and his counterpart from Argentina Mauricio Macri (R) make a floral tribute to the victims of the military dictatorship aat Parque de la Memoria in Buenos Aires, Argentina, 24 March 2016. During the tour of the wall, next to the Rio de la plata, the leaders approached the railing, next to the runway, and threw white flowers in tribute to those who lost their lives at the military dictatorship.  EPA/DAVID FERNANDEZ

David Fernandez/EPA

US President Barack Obama and his counterpart from Argentina Mauricio Macri make a floral tribute to the victims of the military dictatorship at Parque de la Memoria in Buenos Aires, Argentina 

U.S. President Barack Obama dances tango during a state dinner hosted by Argentina's President Mauricio Macri at the Centro Cultural Kirchner as part of President Obama's two-day visit to Argentina, in Buenos Aires

Carlos Barria/Reuters

U.S. President Barack Obama dances tango during a state dinner hosted by Argentina’s President Mauricio Macri at the Centro Cultural Kirchner as part of President Obama’s two-day visit to Argentina, in Buenos Aires. 

Nuns speak to each other before Zubik v. Burwell is heard by the U.S. Supreme Court in Washington...Nuns speak to each other before Zubik v. Burwell, an appeal brought by Christian groups demanding full exemption from the requirement to provide insurance covering contraception under the Affordable Care Act, is heard by the U.S. Supreme Court in Washington, March 23, 2016. REUTERS/Joshua Roberts

Joshua Roberts/Reuters

Nuns speak to each other before Zubik v. Burwell, an appeal brought by Christian groups demanding full exemption from the requirement to provide insurance covering contraception under the Affordable Care Act, is heard by the U.S. Supreme Court in Washington